Term
INDEPENDENT-GROUPS DESIGN
BETWEEN-SUBJECTS DESIGN |
|
Definition
| researcher compares two or more seperate and unrelated groups of subjects that have different levels of an independent variable |
|
|
Term
|
Definition
| research design that compares two or more related sets of subjects that have different levels of an independent variable; includes within-subjects and matched-subjects design |
|
|
Term
|
Definition
| each of its members is paired and tested simultaneously with a member of the experimental group so that they both experience exactly the same events at the same time, except for the critical feature of the independent variable |
|
|
Term
| WAITING LIST CONTROL GROUP |
|
Definition
| delayed condition in which individuals do not receive the experimental treatment initially but will later |
|
|
Term
|
Definition
| parametric inferential statistical procedcure for determining whether the means for two groups or conditions are significantly different |
|
|
Term
|
Definition
| nonparametric inferential statistic used ewith nominal data to evaluate whether the observed frequencies differ from the expected frequencies |
|
|
Term
|
Definition
| nonparametric inferential statistical procedure used with ordinal data to test for differences betweeen two independent data groupings |
|
|
Term
|
Definition
| a statistical approach for dealing with the inflated risk of Type I error when multiple tests are performed |
|
|
Term
ANOVA
ANALYSIS OF VARIANCE |
|
Definition
| parametric inferential statistical test for determining whether the means for data grouping are significantly different; typically used when comparing more than two groups or conditions |
|
|
Term
|
Definition
| the sum of squared deviations between individual scores and he mean of the data groupings |
|
|
Term
|
Definition
| statistical analysis that compares more than two data groupings simultaneously |
|
|
Term
CONTRAST
PLANNED COMPARISON
A PRIORI TEST |
|
Definition
| type of follow-up analysis to an ANOVA to compare only two conditions for which the researchers had identified an explicit prior hypothesis |
|
|
Term
POST HOC COMPARISIONS
UNPLANNED COMPARISONS
POSTERIORI TEST
MULTIPLE COMPARISONS |
|
Definition
| followup ananlyses to an ANOVA with a significant F Valure to compare all possible pairs of conditions without having made prior hypotheses |
|
|
Term
|
Definition
| nonparametric inferential statistical procedure used with ordinal data to test for differences between more than two independent data groupings |
|
|
Term
|
Definition
| nonparametriec inferential statistical procedure used with ordinal datat to test for differences between more that two independent data groupings |
|
|
